The Simple Riddle That 50% of Harvard Students Get Wrong

Can you solve this simple riddle?

In the video by Bite Size Psych the famous Cognitive Reflection Test by professor Shane Frederick of Yale University’s School of Management is explained, and why so many people fail it.

When you realize what the answer is you won’t believe you didn’t get it sooner. Check out the video below.

And if you’re a student, you will love our FINAL GRADE CALCULATOR (it’s quick and super easy to use).